cy7c1380d-250bzxi Cypress Semiconductor Corporation., cy7c1380d-250bzxi Datasheet - Page 22

• Manufacturer Part Number: cy7c1380d-250bzxi
• Description: 18-mbit 512k X 36/1m X 18 Pipelined Sram
• Manufacturer: Cypress Semiconductor Corporation.

ata Out (Q)
Switching Waveforms
Document #: 38-05543 Rev. *E
Data In (D)
Note:
Write Cycle Timing
27. Full width write can be initiated by either GW LOW; or by GW HIGH, BWE LOW and BW
ADDRESS
ADSP
ADSC
BWE,
ADV
BW
CLK
GW
OE
CE
X
BURST READ
High-Z
t ADS
t CES
t AS
A1
[26, 27]
t ADH
t CEH
t AH
t CH
t
OEHZ
Byte write signals are
ignored for first cycle when
ADSP initiates burst
t CYC
t ADS
t CL
t DS
Single WRITE
D(A1)
(continued)
t ADH
t DH
A2
D(A2)
DON’T CARE
t WES
D(A2 + 1)
BURST WRITE
t WEH
D(A2 + 1)
UNDEFINED
ADV suspends burst
X
LOW.
D(A2 + 2)
ADSC extends burst
CY7C1380D, CY7C1380F
CY7C1382D, CY7C1382F
D(A2 + 3)
t ADS
A3
D(A3)
t ADH
t
ADVS
t WES
Extended BURST WRITE
D(A3 + 1)
t
t WEH
ADVH
Page 22 of 30
D(A3 + 2)
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